Issue 1, 2018

Efficient two-photon luminescence for cellular imaging using biocompatible nitrogen-doped graphene quantum dots conjugated with polymers

Abstract

Nitrogen-doped graphene quantum dot (N-GQD) nanomaterials conjugated with polyethylenimine (PEI)-polystyrene sulfonate (PSS)-anti-epidermal growth factor receptor (AbEGFR) antibody (N-GQD-PEI-PSS-AbEGFR) demonstrated impressive two-photon properties and stability, signifying that they can serve as an effective two-photon contrast agent in two-photon bioimaging. Furthermore, they provided high intensity, brightness, and signal-to-noise ratios at an ultra-low two-photon excitation (TPE) power level in an observation extending to a deep, three-dimensional depth.

Graphical abstract: Efficient two-photon luminescence for cellular imaging using biocompatible nitrogen-doped graphene quantum dots conjugated with polymers

Supplementary files

Article information

Article type
Communication
Submitted
13 Sep 2017
Accepted
16 Nov 2017
First published
17 Nov 2017

Nanoscale, 2018,10, 109-117

Efficient two-photon luminescence for cellular imaging using biocompatible nitrogen-doped graphene quantum dots conjugated with polymers

P. Wu, J. Wang, W. Wang, C. Chang, C. Huang, K. Yang, J. Chang, C. L. Hsu, S. Chen, T. Chou and W. Kuo, Nanoscale, 2018, 10, 109 DOI: 10.1039/C7NR06836K

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